Tantalum (Ta) Ta1(cr,l)
 
Enthalpy Reference Temperature = Tr = 298.15 K Standard State Pressure = p° = 0.1 MPa
  J·K-1 mol-1 kJ·mol-1  
T/K Cp° S° -[G°-H°(Tr)]/T H-H°(Tr) fH° fG° log Kf
0 0. 0. INFINITE -5.681 0. 0. 0.
100 19.744 16.143 63.003 -4.686 0. 0. 0.
200 24.085 31.586 43.756 -2.434 0. 0. 0.
250 24.861 37.049 41.886 -1.209 0. 0. 0.
 
298.15 25.295 41.471 41.471 0. 0. 0. 0.
 
300 25.307 41.628 41.472 0.047 0. 0. 0.
350 25.598 45.552 41.781 1.320 0. 0. 0.
400 25.840 48.986 42.471 2.606 0. 0. 0.
450 26.088 52.044 43.368 3.904 0. 0. 0.
500 26.349 54.806 44.376 5.215 0. 0. 0.
 
600 26.843 59.655 46.530 7.875 0. 0. 0.
700 27.214 63.822 48.709 10.579 0. 0. 0.
800 27.459 67.473 50.831 13.313 0. 0. 0.
900 27.668 70.718 52.864 16.069 0. 0. 0.
1000 27.933 73.647 54.798 18.848 0. 0. 0.
 
1100 28.281 76.325 56.635 21.659 0. 0. 0.
1200 28.662 78.802 58.380 24.507 0. 0. 0.
1300 28.989 81.110 60.041 27.390 0. 0. 0.
1400 29.202 83.267 61.624 30.301 0. 0. 0.
1500 29.319 85.286 63.135 33.227 0. 0. 0.
 
1600 29.439 87.182 64.579 36.164 0. 0. 0.
1700 29.688 88.973 65.962 39.119 0. 0. 0.
1800 30.124 90.682 67.288 42.108 0. 0. 0.
1900 30.665 92.325 68.563 45.148 0. 0. 0.
2000 31.191 93.911 69.791 48.240 0. 0. 0.
 
2100 31.713 95.445 70.976 51.386 0. 0. 0.
2200 32.252 96.933 72.122 54.584 0. 0. 0.
2300 32.828 98.379 73.233 57.837 0. 0. 0.
2400 33.459 99.789 74.310 61.151 0. 0. 0.
2500 34.167 101.169 75.357 64.532 0. 0. 0.
 
2600 34.970 102.525 76.376 67.988 0. 0. 0.
2700 35.890 103.861 77.369 71.530 0. 0. 0.
2800 36.946 105.185 78.339 75.170 0. 0. 0.
2900 38.158 106.502 79.287 78.924 0. 0. 0.
3000 39.546 107.819 80.216 82.808 0. 0. 0.
 
3100 41.130 109.141 81.128 86.840 0. 0. 0.
3200 42.930 110.474 82.024 91.041 0. 0. 0.
 
3258.000 44.080 111.256 82.538 93.564 CRYSTAL <--> LIQUID
3258.000 41.840 122.480 82.538 130.132 TRANSITION
 
3300 41.840 123.016 83.049 131.889 0. 0. 0.
3400 41.840 124.265 84.243 136.073 0. 0. 0.
3500 41.840 125.478 85.404 140.257 0. 0. 0.
 
3600 41.840 126.656 86.534 144.441 0. 0. 0.
3700 41.840 127.803 87.634 148.625 0. 0. 0.
3800 41.840 128.919 88.706 152.809 0. 0. 0.
3900 41.840 130.005 89.751 156.993 0. 0. 0.
4000 41.840 131.065 90.770 161.177 0. 0. 0.
 
4100 41.840 132.098 91.766 165.361 0. 0. 0.
4200 41.840 133.106 92.738 169.545 0. 0. 0.
4300 41.840 134.091 93.688 173.729 0. 0. 0.
4400 41.840 135.052 94.618 177.913 0. 0. 0.
4500 41.840 135.993 95.527 182.097 0. 0. 0.
 
4600 41.840 136.912 96.416 186.281 0. 0. 0.
4700 41.840 137.812 97.288 190.465 0. 0. 0.
4800 41.840 138.693 98.141 194.649 0. 0. 0.
4900 41.840 139.556 98.978 198.833 0. 0. 0.
5000 41.840 140.401 99.798 203.017 0. 0. 0.
 
5200 41.840 142.042 101.391 211.385 0. 0. 0.
5400 41.840 143.621 102.926 219.753 0. 0. 0.
 
5600 41.840 145.143 104.407 228.121 0. 0. 0.
 
5778.070 41.840 146.452 105.682 235.572 FUGACITY = 1 bar
 
5800 41.840 146.611 105.837 236.489 738.755 2.801 0.025
6000 41.840 148.029 107.220 244.857 -739.225 28.380 -0.247
 
PREVIOUS: CURRENT: December 1972
 
Tantalum (Ta) Ta1(cr,l)

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